San Antonio Heights, CA Demographics

A map of San Antonio Heights's Population by Race

San Antonio Heights, California has an estimated population of 3,458, a less than 1% change from the 3,441 recorded in the 2020 Census. The population is 56.8% White, 29.0% Hispanic, 9.8% Asian, 2.7% Multiracial, 1.4% Black, and 0.2% Native American/Other. This demographic dot map shows the population of San Antonio Heights, with one dot drawn for each person counted by the Census, color-coded by race.

San Antonio Heights is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than California overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In San Antonio Heights, that probability was 58.8% in 2020 and 58.3% in the most recent ACS estimates.

San Antonio Heights is ranked the 750th most populous place in California, out of 1,618 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). San Antonio Heights was ranked the 755th most populous place in the 2020 Census.

San Antonio Heights's White Population

1,963 residents of San Antonio Heights, or 56.8% of the population, identify as White. The share of White residents in San Antonio Heights is significantly higher than in California overall, where 33.8% of the population is White. San Antonio Heights ranks 805th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Antonio Heights's White population has declined by an estimated 2.0%. White residents' share of San Antonio Heights's population has decreased from 58.2% to 56.8%.

San Antonio Heights is more White than neighboring Upland (34.2% White), Claremont (44% White), Montclair (9.7% White), Rancho Cucamonga (33.4% White), and La Verne (43.3% White).

San Antonio Heights's Black Population

50 residents of San Antonio Heights, or 1.4% of the population, identify as Black. The share of Black residents in San Antonio Heights is slightly lower than in California overall, where 5.2% of the population is Black. San Antonio Heights ranks 460th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Antonio Heights's Black population has declined by an estimated 21.9%. Black residents' share of San Antonio Heights's population has decreased from 1.9% to 1.4%.

San Antonio Heights is less Black than neighboring Upland (5.9% Black), Claremont (6.9% Black), Montclair (5.9% Black), Rancho Cucamonga (8.3% Black), and La Verne (3.1% Black).

San Antonio Heights's Asian Population

339 residents of San Antonio Heights, or 9.8% of the population, identify as Asian. The share of Asian residents in San Antonio Heights is lower than in California overall, where 15.3% of the population is Asian. San Antonio Heights ranks 314th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Antonio Heights's Asian population has grown by an estimated 2.4%. Asian residents' share of San Antonio Heights's population has remained roughly unchanged at 9.8%.

San Antonio Heights is less Asian than neighboring Upland (11.1% Asian), Claremont (14.4% Asian), Montclair (10.1% Asian), Rancho Cucamonga (15% Asian), and La Verne (10.8% Asian).

San Antonio Heights's Hispanic Population

1,003 residents of San Antonio Heights, or 29.0% of the population, identify as Hispanic. The share of Hispanic residents in San Antonio Heights is considerably lower than in California overall, where 40.2% of the population is Hispanic. San Antonio Heights ranks 757th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Antonio Heights's Hispanic population has grown by an estimated 16.9%. Hispanic residents' share of San Antonio Heights's population has increased from 24.9% to 29.0%.

San Antonio Heights is more Hispanic than neighboring Claremont (28.8% Hispanic). San Antonio Heights is less Hispanic than neighboring Upland (43.4% Hispanic), Montclair (72.5% Hispanic), Rancho Cucamonga (38.1% Hispanic), and La Verne (36.3% Hispanic).

San Antonio Heights's Native American/Other Population

8 residents of San Antonio Heights, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in San Antonio Heights is comparable to the share in California overall, where 1.2% of the population is Native American/Other. San Antonio Heights ranks 624th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Antonio Heights's Native American/Other population has declined by an estimated 84.6%. Native American/Other residents' share of San Antonio Heights's population has decreased from 1.5% to 0.2%.

San Antonio Heights is less Native American/Other than neighboring Upland (1.3% Native American/Other), Claremont (1% Native American/Other), Montclair (0.5% Native American/Other), Rancho Cucamonga (1.2% Native American/Other), and La Verne (1.1% Native American/Other).

San Antonio Heights's Multiracial Population

95 residents of San Antonio Heights, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in San Antonio Heights is comparable to the share in California overall, where 4.4% of the population is Multiracial. San Antonio Heights ranks 1000th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Antonio Heights's Multiracial population has declined by an estimated 28.6%. Multiracial residents' share of San Antonio Heights's population has decreased from 3.9% to 2.7%.

San Antonio Heights is more Multiracial than neighboring Montclair (1.3% Multiracial). San Antonio Heights is less Multiracial than neighboring Upland (4.1% Multiracial), Claremont (5% Multiracial), Rancho Cucamonga (4% Multiracial), and La Verne (5.4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.